Q. The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The declination of the star, is

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Q. The sidereal day is the time interval between two successive upper transits of

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Q. Pick up the correct statement from the following :

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Q. Pick up the in-correct statement from the following :

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Q. The declination and right ascension of the sun becomes 23° 27' N and 90° respectively on

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Q. If δ is the declination of the star and φ is the latitude of the observer then the hour angle of the star at elongation is given by

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Q. At upper culmination, the pole star moves

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Q. G.M.T. corresponding to given mean time, equals

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Q. Pick up the correct statement from the following :

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Q. Latitude of the observer's position is equal to altitude of

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Q. A star in northern sphere is said to transit

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Q. In observations of equal precision, the most probable values of the observed quantities are those that render the sum of the squares of the residual errors a minimum, is the fundamental principle of

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Q. Pick up the incorrect statement from the following. The angular distance of hevenly bodies on observer's meridian measured from the pole, is

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Q. Pick up the correct statement from the following :

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Q. Parallax bar measures

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Q. Stellar astronomy deals with

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Q. If a star whose declination is 60° N culminates at zenith, its altitude at the lower culmination, is

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Q. The longitudes of two places at latitude 60° N are 93° E and 97° W. Their departure is

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Q. The point at which sun's declination changes from north to south, is known as

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Q. Pick up the incorrect statement from the following :

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